AI assistant
Amprius Technologies, Inc. — Director's Dealing 2025
Dec 16, 2025
32018_dirs_2025-12-15_d1b47a7e-47f2-4b2f-aefa-825918f6ce1c.zip
Director's Dealing
Open in viewerOpens in your device viewer
SEC Form 4 — Statement of Changes in Beneficial Ownership
Issuer: Amprius Technologies, Inc. (AMPX)
CIK: 0001899287
Period of Report: 2025-12-11
Reporting Person: Stefan Constantin Ionel (Chief Technology Officer)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-12-11 | Common stock | M | 125000 | $0.05 | Acquired | 946951 | Direct |
| 2025-12-11 | Common stock | S | 198255 | $10.5086 | Disposed | 748696 | Direct |
Derivative Transactions
| Date | Security | Exercise Price | Code | Shares | A/D | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| 2025-12-11 | Stock Option (right to buy) | $0.05 | M | 125000 | Disposed | 2027-03-15 | Common stock (125000) | Direct |
Footnotes
F1: The exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.
F2: Includes 585,697 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit.
F3: The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $10.14 to $11.49, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.